This high technology optical glass door viewer provides a 200 degree wider angle and super clear view out of the door. A good home security system help to effectively avoid home invasion or unexpected visitor. Replace the old one to reduce the potential danger of yourself and your families, especially child and the elder.

Features:

– Made of high quality copper material with plating process, corrosion resistant, more solid and durable.

– Adopts high technology optical glass lenses to ensure clearer view.

200 degree wider angle than the conventional door viewer.

– With a lid to cover the lenses by manually rotating the lid and well protect your home privacy.

– Easy to install, different color for you to choose.

How to Measure:

Please take part the old door viewer at first and measure the size of hole; if there is no door viewer, please measure the thickness of door.